-
While inserting a split or flange on a straight feature in the model, click Properties on the Insert Split Ribbon.
-
On the General Tab (Duct Split Feature Properties Dialog), select the parent duct run to which the split will belong in the Duct Run box.
-
Set the type of split in the Part box.
-
For a rectangular flat flange, use the Width Slope and Depth Slope boxes to set the orientation of the split.